Castle Valley Consultants’ Engineer Earns Certified Professional in Erosion and Sedimentation (CPESC) Designation Press Release DOYLESTOWN, PA / March 1, 2018 -- Crystal Hessler, PE, Project Engineer with Castle Valley Consultants has earned the Certified Professional in Erosion and Sedimentation (CPESC) credential. She is one of a select group of Environmental Engineers in Pennsylvania with [...]